Ryzen 7 3800X vs Athlon II X2 245

Primary details

Comparing Athlon II X2 245 and Ryzen 7 3800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2595	438
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.89	28.52
Market segment	Desktop processor	Desktop processor
Series	no data	AMD Ryzen 7
Architecture codename	Regor (2009−2013)	Matisse (2019−2020)
Release date	July 2009 (14 years ago)	7 July 2019 (4 years ago)
Launch price (MSRP)	$35	$399
Current price	$21 (0.6x MSRP)	$284 (0.7x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 7 3800X has 384% better value for money than Athlon II X2 245.

Detailed specifications

Athlon II X2 245 and Ryzen 7 3800X basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	8 (Octa-Core)
Threads	2	16
Base clock speed	no data	3.9 GHz
Boost clock speed	2.9 GHz	4.5 GHz
L1 cache	256 KB	96K (per core)
L2 cache	2 MB	512K (per core)
L3 cache	0 KB	32 MB
Chip lithography	45 nm	7 nm, 12 nm
Die size	117 mm2	no data
Number of transistors	410 million	19,200 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Athlon II X2 245 and Ryzen 7 3800X compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1 (Uniprocessor)
Socket	AM3	AM4
Power consumption (TDP)	65 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X2 245 and Ryzen 7 3800X. You'll probably need this information if you require some particular technology.

AES-NI	no data	+
AVX	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X2 245 and Ryzen 7 3800X are enumerated here.

AMD-V

no data

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X2 245 and Ryzen 7 3800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4 Dual-channel
Maximum memory size	no data	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	51.196 GB/s
ECC memory support	no data	-

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen 7 3800X outperforms Athlon II X2 245 by 1981% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	0.72	14.98
Physical cores	2	8
Threads	2	16
Cost	$35	$399
Chip lithography	45 nm	7 nm
Power consumption (TDP)	65 Watt	105 Watt

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Should you still have questions on choice between Athlon II X2 245 and Ryzen 7 3800X, ask them in Comments section, and we shall answer.

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